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Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets $ 457,027 $ 548,377
Cash and cash equivalents and restricted cash    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets 170,176 161,066
Marketable securities    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets 228,263 307,688
Equity investments    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets 58,588 79,623
Level 1    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets 228,764 240,689
Level 1 | Cash and cash equivalents and restricted cash    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets 170,176 161,066
Level 1 | Marketable securities    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets 0 0
Level 1 | Equity investments    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets 58,588 79,623
Level 2    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets 228,263 307,688
Level 2 | Cash and cash equivalents and restricted cash    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets 0 0
Level 2 | Marketable securities    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets 228,263 307,688
Level 2 | Equity investments    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets 0 0
Level 3    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets 0 0
Level 3 | Cash and cash equivalents and restricted cash    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets 0 0
Level 3 | Marketable securities    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets 0 0
Level 3 | Equity investments    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total assets $ 0 $ 0